388889157 is an odd 9-digits composite number following 388889156
and preceding 388889158 . In scientific notation, it is written as 3.88889157 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 256768512 positive integers (up to 388889157) that are relatively prime to 388889157.
388889157 has 16 divisors, whose sum is 523523520
The reverse of 388889157 is 751988883
Previous prime number is 2339
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred fifty-seven
Scientific notation
3.88889157 × 10^8
Engineering notation
3.88889157 × 10^6
Prime Factorization
3 × 157 × 2339 × 353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388889157
Product of the distinct prime numbers
The prime factorization of 388889157 is 3 × 157 × 2339 × 353.
Since it has a total of 4 prime factors.
10 , 1 , 93 , 56 , 335 , 227 , 1578 , 5570 , 27719 , 33334 , 921947 , 171826 , 103654 , 20170 , 98876682 , 70574762 , 809131947 , 579364952 , 3059394944 , 8847375071
n×2
777778314
n×3
1166667471
n×4
1555556628
n×5
1944445785
n÷2
194444578.5
n÷3
129629719
n÷3
97222289.25
n÷5
77777831.4
n2
151234776432170649
n3
5.881356471579E+25
n4
2.2871957602489E+34
n5
8.8946563109715E+42
2 √n
19720.272741522
3 √n
729.92002439048
4 √n
140.4288885576
5 √n
52.235429123639
1 , 3 , 157 , 353 , 471 , 1059 , 2339 , 7017 , 55421 , 166263 , 367223 , 825667 , 1101669 , 2477001 , 129629719 , 388889157
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388889156
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388889157 can be divided by 16 positive divisors.
The sum of these divisors (counting 388889157) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001011011111101001000101
3
Ternary
1000002202121122010
4
Quaternary
113023133221011
5
Quinary
1244023423112
6
Senary
102331124433
8
Octal
2713375105
10
Decimal
388889157
12
Duodecimal
aa2a3719
16
Hexadecimal
172dfa45
20
Vigesimal
61ab2hh
36
Base36
6fj8sl
md5
152ce58127072864f11750fce4b4ab0a
sha1
7ab0cf6bf8d5a4cb652e1ff10be698bb72856795
sha256
624ff50451ce9ae29c2838a45682fb4623a66ecf8b827162ed0ae32041e152d3
sha512
9c4db4b23eddd07d749e4e630e77036d01d20689c7d671e41c81777b06f2fa91e59b00eaf3db44ffdb77944e4527f05f2539f2f73509e071627fa458fd18f68c
ripemd-160
d4c081905891ddd351f5e07434164f68c593fd5a
Diameter
777778314
Circumference
2443462637.3839
Area
4.751180626066E+17
Volume
2.4635768379007E+26
Surface area
1.9004722504264E+18
Circumference
2443462637.3839
Perimeter
1555556628
Area
151234776432170649
Diagonal
549972320.08924
Surface area
907408658593023894
Volume
5.881356471579E+25
Space diagonal
673575778.43663
Perimeter
1166667471
Area
6.548657916296E+16
Altitude
336787889.21831
Surface area
6.548657916296E+16
Volume
6.9312450727149E+24
Height
183324106.69641